<script setup lang="ts">
import { IllnessTime } from '@/enums'
import { uploadImage } from '@/services/consult'
import { useConsultStore } from '@/stores'
import type { ConsultIllness } from '@/types/consult'
import { showToast, showConfirmDialog } from 'vant'
import type {
  UploaderAfterRead,
  UploaderFileListItem
} from 'vant/lib/uploader/types'
import { type Image } from '@/types/consult'
import { computed, onMounted, ref } from 'vue'
import { useRouter } from 'vue-router'

const timeOptions = [
  { label: '一周内', value: IllnessTime.Week },
  { label: '一月内', value: IllnessTime.Month },
  { label: '半年内', value: IllnessTime.HalfYear },
  { label: '大于半年', value: IllnessTime.More }
]
const flagOptions = [
  { label: '就诊过', value: 1 },
  { label: '没就诊过', value: 0 }
]
const form = ref<ConsultIllness>({
  illnessDesc: '',
  illnessTime: undefined,
  consultFlag: undefined,
  pictures: []
})

const fileList = ref<Image[]>([])
// 上传图片
const onAfterRead: UploaderAfterRead = (item) => {
  if (Array.isArray(item)) return
  if (!item.file) return
  // 开始上传
  item.status = 'uploading'
  item.message = '上传中...'
  uploadImage(item.file)
    .then((res) => {
      item.status = 'done'
      item.message = undefined
      item.url = res.data.url // 显示出来
      form.value.pictures?.push(res.data) // 存数据
    })
    .catch(() => {
      item.status = 'failed'
      item.message = '上传失败'
    })
}
// 删除上传
const onDeleteImg = (item: UploaderFileListItem) => {
  // 删除后自动隐藏，只需将 form 的数据删除就行
  form.value.pictures = form.value.pictures?.filter(
    (pic) => pic.url !== item.url
  )
}

// 保存数据
// disabled仅仅是样式上的禁止，实际还得考下面的onNext判断拦截并提示
const disabled = computed(
  () =>
    !form.value.illnessDesc ||
    form.value.illnessTime === undefined ||
    form.value.consultFlag === undefined
)
const store = useConsultStore()
const router = useRouter()
const onNext = () => {
  // 判断拦截并提示
  if (!form.value.illnessDesc) return showToast('请输入病情描述')
  if (form.value.illnessTime === undefined)
    return showToast('请选择症状持续时间')
  if (form.value.consultFlag === undefined)
    return showToast('请选择是否已经就诊')
  // 存数据
  store.setIllness(form.value)
  // 跳转到档案数据（带标识 isChange）
  router.push('/user/patient?isChange=1')
}

// 回显数据
onMounted(() => {
  if (store.consult.illnessDesc) {
    showConfirmDialog({
      title: '温馨提示',
      message: '是否恢复您之前填写的病情信息呢？',
      closeOnPopstate: false // 回退需要也弹窗
    }).then(() => {
      // 回填表单数据
      const { illnessDesc, illnessTime, consultFlag, pictures } = store.consult
      form.value = { illnessDesc, illnessTime, consultFlag, pictures }
      // 图片回显
      fileList.value = pictures || []
    })
  }
})
</script>

<template>
  <div class="consult-illness-page">
    <!-- 导航 -->
    <cp-nav-bar title="图文问诊" />
    <!-- 医生提示 -->
    <div class="illness-tip van-hairline--bottom">
      <img class="img" src="@/assets/avatar-doctor.svg" />
      <div class="info">
        <p class="tit">在线医生</p>
        <p class="tip">
          请描述你的疾病或症状、是否用药、就诊经历，需要我听过什么样的帮助
        </p>
        <p class="safe">
          <cp-icon name="consult-safe" /><span>内容仅医生可见</span>
        </p>
      </div>
    </div>
    <!-- 收集信息 -->
    <div class="illness-form">
      <van-field
        type="textarea"
        rows="3"
        placeholder="请详细描述您的病情，病情描述不能为空"
        v-model="form.illnessDesc"
      />
      <div class="item">
        <p>本次患病多久了？</p>
        <cp-radio-btn :options="timeOptions" v-model="form.illnessTime" />
      </div>
      <div class="item">
        <p>此次病情是否去医院就诊过？</p>
        <cp-radio-btn :options="flagOptions" v-model="form.consultFlag" />
      </div>
      <!-- 上传图片 -->
      <div class="illness-img">
        <van-uploader
          :after-read="onAfterRead"
          @delete="onDeleteImg"
          v-model="fileList"
          max-count="9"
          :max-size="5 * 1024 * 1024"
          upload-icon="photo-o"
          upload-text="上传图片"
        />
        <p class="tip">上传内容仅医生可见,最多9张图,最大5MB</p>
      </div>
      <van-button
        :class="{ disabled }"
        @click="onNext"
        type="primary"
        block
        round
      >
        下一步
      </van-button>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.consult-illness-page {
  padding-top: 46px;
  .illness-tip {
    display: flex;
    padding: 15px;
    .img {
      width: 52px;
      height: 52px;
      border-radius: 4px;
      overflow: hidden;
      margin-top: 10px;
    }
    .info {
      flex: 1;
      padding-left: 12px;
      .tit {
        font-size: 16px;
        margin-bottom: 5px;
      }
      .tip {
        padding: 12px;
        background: var(--cp-bg);
        color: var(--cp-text3);
        font-size: 13px;
        margin-bottom: 10px;
      }
      .safe {
        display: flex;
        align-items: center;
        font-size: 10px;
        color: var(--cp-text3);
        .cp-icon {
          font-size: 12px;
          margin-right: 2px;
        }
      }
    }
  }
  .illness-form {
    padding: 15px;
    .van-field {
      padding: 0;
      &::after {
        border-bottom: none;
      }
    }
    .item {
      > p {
        color: var(--cp-text3);
        padding: 15px 0;
      }
    }
    .illness-img {
      display: flex;
      align-items: center;
      padding-top: 16px;
      margin-bottom: 40px;
      .tip {
        font-size: 12px;
        color: var(--cp-tip);
      }
      ::v-deep() {
        .van-uploader {
          &__preview {
            &-delete {
              left: -6px;
              top: -6px;
              border-radius: 50%;
              background-color: var(--cp-primary);
              width: 20px;
              height: 20px;
              &-icon {
                transform: scale(0.9) translate(-22%, 22%);
              }
            }
            &-image {
              border-radius: 8px;
              overflow: hidden;
            }
          }
          &__upload {
            border-radius: 8px;
          }
          &__upload-icon {
            color: var(--cp-text3);
          }
        }
      }
    }
    .van-button {
      font-size: 16px;
      margin-bottom: 30px;
      &.disabled {
        opacity: 1;
        background: #fafafa;
        color: #d9dbde;
        border: #fafafa;
      }
    }
  }
}
</style>
